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[ghc-hetmet.git] / compiler / ghci / Debugger.hs

diff --git a/compiler/ghci/Debugger.hs b/compiler/ghci/Debugger.hs
index 1d493e0..0817259 100644 (file)
--- a/compiler/ghci/Debugger.hs
+++ b/compiler/ghci/Debugger.hs
@@ -108,7 +108,6 @@ pprintClosureCommand bindThings force str = do
       , substFiltered <- filter (not.isTyVarTy) . varEnvElts . getTvSubstEnv $ subst
       , not . null $ substFiltered
       , all (flip notElemTvSubst subst) ty_vars
---      , pprTrace "subst" (ppr subst) True
       = True
       | otherwise = False
       where bindOnlyTy1 tyv | tyv `elem` ty_vars = AvoidMe
@@ -298,11 +297,19 @@ stripUnknowns _ id = id
 -----------------------------
 -- | The :breakpoint command
 -----------------------------
-bkptOptions :: String -> GHCi ()
+bkptOptions :: String -> GHCi Bool
+bkptOptions "continue" = -- We want to quit if in an inferior session
+                         liftM not isTopLevel 
+bkptOptions "stop" = do
+  inside_break <- liftM not isTopLevel
+  when inside_break $ throwDyn StopChildSession 
+  return False
+
 bkptOptions cmd = do 
   dflags <- getDynFlags
   bt     <- getBkptTable
   bkptOptions' (words cmd) bt
+  return False
    where
     bkptOptions' ["list"] bt = do 
       let msgs = [ ppr mod <+> colon <+> ppr coords 
@@ -314,10 +321,6 @@ bkptOptions cmd = do
                             else vcat num_msgs
       io$ putStrLn msg
 
-    bkptOptions' ["stop"] bt = do
-        inside_break <- liftM not isTopLevel
-        when inside_break $ throwDyn StopChildSession
-
     bkptOptions' ("add":cmds) bt 
       | [mod_name,line]<- cmds
       , [(lineNum,[])] <- reads line
@@ -374,11 +377,12 @@ bkptOptions cmd = do
                io$ putStrLn delMsg
 
     bkptOptions' _ _ = throwDyn $ CmdLineError $ 
-                         "syntax: :breakpoint (list|stop|add|del)"
+                         "syntax: :breakpoint (list|continue|stop|add|del)"
 
 -- Error messages
     handleBkptEx :: Module -> Debugger.BkptException -> a
-    handleBkptEx _ NoBkptFound = error "No suitable breakpoint site found"  --TODO Automatically add to the next suitable line
+    handleBkptEx _ NoBkptFound = error "No suitable breakpoint site found"  
+         -- ^ TODO Instead of complaining, set a bkpt in the next suitable line
     handleBkptEx _ NotNeeded   = error "Nothing to do"
     handleBkptEx m NotHandled  = error$ "Module " ++ showSDoc (ppr m) ++  " was not loaded under debugging mode. Enable debugging mode with -fdebugging (and reload your module)"
 
@@ -511,7 +515,6 @@ getSiteCoords bt a site
                   , s == site ]
 
 -- addModule is dumb and inefficient, but it does the job
---addModule fn siteCoords _ | trace ("addModule: " ++ moduleString (unsafeCoerce# fn) ++ " - " ++ show siteCoords) False = undefined
 addModule a [] bt = bt {sites = Map.insert a [] (sites bt)}
 addModule a siteCoords bt 
    | nrows        <- maximum$ [i | (_,(i,j)) <- siteCoords ]
@@ -526,7 +529,7 @@ isBkptEnabled bt (a,site)
    | Just bkpts <- bkptsOf bt a 
    , inRange (bounds bkpts) site
    = bkpts ! site 
-   | otherwise = throwDyn NotHandled            -- This is an error
+   | otherwise = panic "unexpected condition: I don't know that breakpoint site"
 
 -----------------
 -- Other stuff